:root {
    --primary: #1e40af;
    --dark: #0f172a;
    --text: #334155;
    --light-gray: #f1f5f9;
    --white: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: var(--white);
    padding: 20px 0;
    border-bottom: 1px solid var(--light-gray);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--dark);
}

.logo span { color: var(--primary); }

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active { color: var(--primary); }

/* Hero Section */
.blog-hero {
    background-color: var(--light-gray);
    padding: 80px 0;
    text-align: center;
    margin-bottom: 50px;
}

.blog-hero h1 { font-size: 2.5rem; color: var(--dark); margin-bottom: 10px; }

/* Grid System */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.post-card {
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
}

.post-card:hover { transform: translateY(-5px); }

.post-img { height: 180px; width: 100%; }

.post-content { padding: 25px; }

.category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary);
    display: block;
    margin-bottom: 10px;
}

.post-content h3 { margin: 0 0 10px 0; color: var(--dark); }

.read-more {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Single Post Page */
.single-post { max-width: 800px; padding-top: 60px; }

.post-header { text-align: center; margin-bottom: 40px; }

.post-meta { font-size: 0.9rem; color: #94a3b8; margin-top: 10px; }

.post-body h2 {
    margin-top: 40px; color: var(--dark); }

blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    font-style: italic;
    font-size: 1.2rem;
    color: var(--dark);
    margin: 30px 0;
}

.blog-footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--light-gray);
    font-size: 0.9rem;
}

/* Mobile */
@media (max-width: 600px) {
    .nav-links { display: none; }
}